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Push delivery service providing method, information providing service system, server system, and user station

  • US 20030198346A1
  • Filed: 10/24/2002
  • Published: 10/23/2003
  • Est. Priority Date: 04/18/2002
  • Status: Abandoned Application
First Claim
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1. A push delivery service providing method used in a system delivering information to a user station comprising the steps of:

  • a transmitting step of transmitting attribute information including positions C and ranges R of a plurality of push delivery space ranges from a server system to said user station;

    a predicting step of comparing each of the ranges R of the attribute information (C, R) transmitted at said transmitting step with a self-predicted position (L1-a, L1-b, L1-c) predicted by said user station to predict that said user station belongs to any one of the push delivery space ranges;

    a positioning step of positioning a measurement end position L2 of said user station when said user station judges on the basis of a result of prediction at said predicting step that said user station belongs to the push delivery space range;

    a confirming step of comparing a corrected position obtained by correcting the measurement end position L2 obtained at said positioning step with the push delivery space range to confirm that said user station belongs to the push delivery space range;

    a requesting step of requesting, from said user station, said server system to deliver information attached to the push delivery space range on the basis of a result obtained at said confirming step; and

    a contents providing step of transmitting the delivery information from said server system to said user station in response to a request at said requesting step.

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